TY  - BOOK
AU  - Lee, Yeon Woo (Alice).
TI  - Frequency of mobile phone usage and level of responsibility /  
AV  - PGS BF 723.R4  .L477 2015
PY  - 2015///
CY  - Las Piñas City, Philippines
PB  - Southville International School and Colleges
KW  - Mobile phones
KW  - Social aspects
KW  - Responsibility
KW  - Psychological aspects
KW  - Technology and youth
KW  - Digital media
N1  - Includes bibliographical references
ER  -